Changed H.264 parser to show display aspect ratio.

This commit is contained in:
Rolf Ahrenberg 2009-09-15 10:57:53 +03:00
parent 4e87693de6
commit ba133f15f8
4 changed files with 81 additions and 28 deletions

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@ -376,3 +376,7 @@ VDR Plugin 'femon' Revision History
- Fixed H.264 bitstream parser.
- Added a mutex to receiver class.
- Added 1080/720/576/480 format symbols into status window.
2009-xx-xx: Version 1.7.5
- Changed H.264 parser to show display aspect ratio.

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@ -18,7 +18,7 @@
#error "VDR-1.7.0 API version or greater is required!"
#endif
static const char VERSION[] = "1.7.4";
static const char VERSION[] = "1.7.5";
static const char DESCRIPTION[] = trNOOP("DVB Signal Information Monitor (OSD)");
static const char MAINMENUENTRY[] = trNOOP("Signal Information");

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@ -8,25 +8,47 @@
#include "femontools.h"
#include "femonh264.h"
const eVideoAspectRatio cFemonH264::s_AspectRatios[] =
const cFemonH264::t_DAR cFemonH264::s_DAR[] =
{
VIDEO_ASPECT_RATIO_INVALID,
VIDEO_ASPECT_RATIO_1_1,
VIDEO_ASPECT_RATIO_12_11,
VIDEO_ASPECT_RATIO_10_11,
VIDEO_ASPECT_RATIO_16_11,
VIDEO_ASPECT_RATIO_40_33,
VIDEO_ASPECT_RATIO_24_11,
VIDEO_ASPECT_RATIO_20_11,
VIDEO_ASPECT_RATIO_32_11,
VIDEO_ASPECT_RATIO_80_33,
VIDEO_ASPECT_RATIO_18_11,
VIDEO_ASPECT_RATIO_15_11,
VIDEO_ASPECT_RATIO_64_33,
VIDEO_ASPECT_RATIO_160_99,
VIDEO_ASPECT_RATIO_4_3,
VIDEO_ASPECT_RATIO_3_2,
VIDEO_ASPECT_RATIO_2_1
{ VIDEO_ASPECT_RATIO_1_1, 100 },
{ VIDEO_ASPECT_RATIO_4_3, 133 },
{ VIDEO_ASPECT_RATIO_16_9, 177 },
{ VIDEO_ASPECT_RATIO_2_21_1, 221 },
{ VIDEO_ASPECT_RATIO_12_11, 109 },
{ VIDEO_ASPECT_RATIO_10_11, 90 },
{ VIDEO_ASPECT_RATIO_16_11, 145 },
{ VIDEO_ASPECT_RATIO_40_33, 121 },
{ VIDEO_ASPECT_RATIO_24_11, 218 },
{ VIDEO_ASPECT_RATIO_20_11, 181 },
{ VIDEO_ASPECT_RATIO_32_11, 290 },
{ VIDEO_ASPECT_RATIO_80_33, 242 },
{ VIDEO_ASPECT_RATIO_18_11, 163 },
{ VIDEO_ASPECT_RATIO_15_11, 136 },
{ VIDEO_ASPECT_RATIO_64_33, 193 },
{ VIDEO_ASPECT_RATIO_160_99, 161 },
{ VIDEO_ASPECT_RATIO_3_2, 150 },
{ VIDEO_ASPECT_RATIO_2_1, 200 }
};
const cFemonH264::t_SAR cFemonH264::s_SAR[] =
{
{ 0, 0 }, // VIDEO_ASPECT_RATIO_INVALID
{ 1, 1 }, // VIDEO_ASPECT_RATIO_1_1
{ 12, 11 }, // VIDEO_ASPECT_RATIO_12_11
{ 10, 11 }, // VIDEO_ASPECT_RATIO_10_11
{ 16, 11 }, // VIDEO_ASPECT_RATIO_16_11
{ 40, 33 }, // VIDEO_ASPECT_RATIO_40_33
{ 24, 11 }, // VIDEO_ASPECT_RATIO_24_11
{ 20, 11 }, // VIDEO_ASPECT_RATIO_20_11
{ 32, 11 }, // VIDEO_ASPECT_RATIO_32_11
{ 80, 33 }, // VIDEO_ASPECT_RATIO_80_33
{ 18, 11 }, // VIDEO_ASPECT_RATIO_18_11
{ 15, 11 }, // VIDEO_ASPECT_RATIO_15_11
{ 64, 33 }, // VIDEO_ASPECT_RATIO_64_33
{ 160, 99 }, // VIDEO_ASPECT_RATIO_160_99
{ 4, 3 }, // VIDEO_ASPECT_RATIO_4_3
{ 3, 2 }, // VIDEO_ASPECT_RATIO_3_2
{ 2, 1 } // VIDEO_ASPECT_RATIO_2_1
};
const eVideoFormat cFemonH264::s_VideoFormats[] =
@ -494,18 +516,34 @@ int cFemonH264::parseSPS(const uint8_t *buf, int len)
// VUI parameters
if (bs.getBit()) { // vui_parameters_present_flag
if (bs.getBit()) { // aspect_ratio_info_present
uint32_t aspect_ratio_idc;
uint32_t aspect_ratio_idc, sar_width = 0, sar_height = 0;
aspect_ratio_idc = bs.getU8(); // aspect_ratio_idc
//Dprintf("H.264 SPS: aspect_ratio_idc %d", aspect_ratio_idc);
if (aspect_ratio_idc == 255) { // extended sar
bs.skipBits(16); // sar_width
bs.skipBits(16); // sar_height
aspect_ratio = VIDEO_ASPECT_RATIO_EXTENDED;
//Dprintf("H.264 SPS: aspect ratio extended");
sar_width = bs.getU16(); // sar_width
sar_height = bs.getU16(); // sar_height
}
else if (aspect_ratio_idc < sizeof(s_AspectRatios) / sizeof(s_AspectRatios[0])) {
aspect_ratio = s_AspectRatios[aspect_ratio_idc];
//Dprintf("H.264 SPS: aspect ratio %d", aspect_ratio);
else if (aspect_ratio_idc < ELEMENTS(s_SAR)) {
sar_width = s_SAR[aspect_ratio_idc].w;
sar_height = s_SAR[aspect_ratio_idc].h;
}
if (sar_width && sar_height) {
int index = -1, ratio = 100.0L * sar_width * width / sar_height / height;
for (unsigned int i = 0; i < ELEMENTS(s_DAR); ++i) {
if (s_DAR[i].ratio == ratio) {
index = i;
break;
}
}
if (index < 0) {
if (aspect_ratio_idc == 255)
aspect_ratio = VIDEO_ASPECT_RATIO_EXTENDED;
else
aspect_ratio = VIDEO_ASPECT_RATIO_INVALID;
}
else
aspect_ratio = s_DAR[index].dar;
//Dprintf("H.264 SPS: DAR %dx%d (%d)", sar_width, sar_height, aspect_ratio);
}
}
if (bs.getBit()) // overscan_info_present_flag

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@ -19,6 +19,16 @@ private:
NAL_END_SEQ = 0x0A // End of Sequence
};
typedef struct DAR {
eVideoAspectRatio dar;
int ratio;
} t_DAR;
typedef struct SAR {
int w;
int h;
} t_SAR;
cFemonVideoIf *m_VideoHandler;
uint32_t m_Width;
uint32_t m_Height;
@ -39,7 +49,8 @@ private:
int parseSPS(const uint8_t *buf, int len);
int parseSEI(const uint8_t *buf, int len);
static const eVideoAspectRatio s_AspectRatios[];
static const t_SAR s_SAR[];
static const t_DAR s_DAR[];
static const eVideoFormat s_VideoFormats[];
static const uint8_t s_SeiNumClockTsTable[9];